pH Buffers & Solutions

Traceable to NIST Standards Rainbow II Buffer package consists of 30 20 mL sachets of 10 each of 4.01, 7.00 and 10.01 pH solutions. Buffer solutions are traceable to NIST standards and come with a quality inspection certificate which guarantees the stated values and traceability. Rainbow Buffers are...

Density (g/cm3): 1.003

Composition: Water 98.99%, Potassium Acid Phthalate 1.01%, Thymol 0%, Methyl Alcohol 0% Boiling Point: Approximately 100°C Density: 1 Melting Point: Approximately 0°C Color: Colorless liquid Physical State: Liquid pH Range: 4 Solubility Information: Miscible Shelf Life: 24 Months Storage: Ambient...

6 x 500mL kit contains 2 x 500 ml of each pH 4 red (GFS 1634), pH 7 yellow (GFS 1639) and pH 10 blue (GFS 1645). The 3 x 4L kit contains 1 x 4L of each of the above items.

Phosphate buffer solutions are used in hematology, for the dilution of staining solutions and for the rinsing steps in the staining process. The buffer tablets acc. to Weise will produce a buffered solution (pH6.4/pH6.8/pH7.2) that stabilizes the staining result and gives reproducible staining...

Density (g/cm3): 1.14 UN Number: UN3264

Standardized against NIST certified pH 6.86 and pH 9.18 reference samples.

Ideal for use with TRUEscience SMART pH Cap, these pH buffers are color coded and QR coded for ease of identification using the TRUEscience App. Available in pH 4, 7 and 10 and are calibrated at 20°C / 68°F. Temperature dependence data is printed on the label as are the lot numbers. The...

Chemical name: Buffer solution pH 10.0 (20°C) Density (g/cm3): 1.01 Chemical purity: =99.7% UN Number:

Our complete range of patented buffer solutions provide pH stability of up to five years. High buffering capacity provides rapid and stable calibration.

Composition: Water 98.73%, Sodium Phosphate Dibasic 0.79%, Potassium Dihydrogen Phosphate 0.47%, Sodium Azide 0.01%, Brilliant Yellow 0% Boiling Point: Approximately 100°C Density: 1 Melting Point: Approximately 0°C Color: Yellow liquid Physical State: Liquid pH Range: 7 Solubility Information:...

Chemical name: Acetate buffer solution pH 4.65 Chemical synonyms: Sodium acetate buffer solution; Michaelis buffer Density (g/cm3): 1 Chemical purity: =99.7% UN Number:

NIST traceability Wide choice of sizes Long life Reference Standard pH Buffers make pH easy. We offer consistent, reliable performance and NIST traceability. All buffers offer tight specifications (±0.01 ph unit) and a long shelf life. Temperature conversion charts are available for all...

pH (@ 25°C) 12.45 +/-0.03 NIST Traceable

pH made Easy. Everything you need and want in a pH Buffer. NIST Traceability. Consistent, reliable performance. The tightest specification (+/- 0.01 pH unit) on all buffers. Long Expiration dates. Temperature conversion charts for all Buffers up to pH 11. Multiple sizes to fit your usage and budget...

Chemical name: Buffer concentrate pH 4.00 Chemical purity: =99% UN Number:

Chemical name: Buffer concentrate pH 12.00 Chemical purity: 99.0-100.5% UN Number:

For use with ionplus® Sure-Flow® ISE electrodes Little or none of the ion of interest present helps prevent sample contamination Application-specific solution formulation improves response time Small temperature coefficients reduce electrode potential shifts from changing sample...

1.68, 4.01, 6.86, 7.00, 9.18, 10.01, and 12.45 buffer solutions are available in 250 mL bottles.

Meets requirements of both ISO 17025 and ISO 17034 Certified Reference Materials, made under the strictest standards for stability, homogeneity, and accuracy Tested to tolerances of 0.01 pH units Supported by detailed Certificate of Analysis including temperature variation values and stated...

Chemical synonyms: Sodium tetraborate buffer solution

Chemical name: Acetate buffer solution pH 4.6 Chemical synonyms: Sodium acetate buffer solution; Acetic acid-Sodium acetate buffer 1:1 pH 4.6 UN Number: